cpuidle / imx6 : use CPUIDLE_FLAG_TIMER_STOP flag
Use the CPUIDLE_FLAG_TIMER_STOP and let the cpuidle framework to handle the CLOCK_EVT_NOTIFY_BROADCAST_ENTER/EXIT when entering this state. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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@ -21,10 +21,6 @@ static DEFINE_SPINLOCK(master_lock);
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static int imx6q_enter_wait(struct cpuidle_device *dev,
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struct cpuidle_driver *drv, int index)
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{
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int cpu = dev->cpu;
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clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu);
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if (atomic_inc_return(&master) == num_online_cpus()) {
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/*
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* With this lock, we prevent other cpu to exit and enter
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@ -43,7 +39,6 @@ idle:
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cpu_do_idle();
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done:
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atomic_dec(&master);
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clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu);
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return index;
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}
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@ -70,7 +65,8 @@ static struct cpuidle_driver imx6q_cpuidle_driver = {
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{
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.exit_latency = 50,
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.target_residency = 75,
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.flags = CPUIDLE_FLAG_TIME_VALID,
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.flags = CPUIDLE_FLAG_TIME_VALID |
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CPUIDLE_FLAG_TIMER_STOP,
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.enter = imx6q_enter_wait,
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.name = "WAIT",
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.desc = "Clock off",
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